Seven Days of Fasting: How Your Body Transforms Inside and Out

Most of the atoms in your body left the Milky Way on a 'cosmic conveyor belt' long before you were born, new study reveals

The California grid ran on 100% renewables with no blackouts or cost rises for a record 98 days

Telescopes Catch the Aftermath of an Energetic Planetary Collision A planetary collision 1,800 light-years away birthed a body that has cooled in unexpected ways.